Tested for durability 5 3/4" overall. Textured pink anodized aluminum construction with replaceable aerosol inserts. Effective range is 5 feet. Produces six, one-half second bursts. Contains 10% Oleoresin Capsicum. Made using the highest quality materials 10-Percent Oleoresin Capsicum formulation Precision machined from aerospace aluminum and solid brass Entire unit is o-ring sealed Capacity is six, one-half second bursts Replaceable "Heat" (OC) or "Test" (inert) inserts